Exim 4 before 4.94.2 allows Buffer Underwrite that may result in unauthenticated remote attackers executing arbitrary commands, because smtp_ungetc was only intended to push back characters, but can actually push back non-character error codes such as EOF.
References
Link | Resource |
---|---|
https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28024-UNGET.txt | Third Party Advisory |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: mitre
Published: 2021-05-06T04:31:25
Updated: 2021-05-06T04:51:02
Reserved: 2020-10-30T00:00:00
Link: CVE-2020-28024
JSON object: View
NVD Information
Status : Analyzed
Published: 2021-05-06T13:15:09.720
Modified: 2022-06-28T14:11:45.273
Link: CVE-2020-28024
JSON object: View
Redhat Information
No data.
CWE